Patent US3189832A successfully refreshed from Google Patents.
Patent US3283234A successfully refreshed from Google Patents.
US3283234A
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Control for reversible motor with instantaneous current limit
Assignee: General Electric Co
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Filing: 1964-01-10
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Granted: 1966-11-01
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Expires: 1984-01-10
Abstract
No abstract record available.
Inventors
- 👤 Edward H Dinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:25
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/285; H02P7/292; H02P7/293
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A CONTROL CIRCUIT COMPRISING A SOURCE OF ALTERNATING CURRENT, CURRENT CONTROL MEANS, A LOAD, SAID CURRENT CONTROL MEANS COUPLING SAID ALTERNATING CURRENT SOURCE TO SAID LOAD TO SUPPLY FORWARD AND REVERSE CURRENTS THERETO IN RESPONSE TO FORWARD THE REVERSE INPUT SIGNALS RESPECTIVELY APPLIED TO SAID CURRENT CONTROL MEANS, MEANS FOR GENERATING A DIRECT CURRENT COMMAND SIGNAL HAVING A MAGNITUDE AND POLARITY INDICATIVE OF THE DESIRED PORTION OF EACH HALF CYCLE OF SAID ALTERNATING CURRENT DURING WHICH SAID CURRENT CONTROL MEANS SUPPLIES CURRENT TO SAID LOAD AND THE POLARITY OF THE CURRENT SUPLIED, PHASE SHIFT MEANS COUPLED TO SAID SOURCE OF ALTERNATING CURRENT TO SHIFT THE PHASE THEREOF, MEANS FOR COMBINING ASAID DIRECT CURRENT COMMAND SIGNAL WITH THE PHASE SHIFTED ALTERNATING CURRENT SIGNAL TO FORM A COMPOSITE COMMAND SIGNAL, DIRECT CURRENT BIAS MEANS BIASING SAID COMPOSITE
Claim 2
Dependent Claim
135 words
A CONTROL CIRCUIT COMPRISING A SOURCE OF ALTERNATING CURRENT, CURRENT CONTROL MEANS, A LOAD, SAID CURRENT CONTROL MEANS COUPLING SAID ALTERNATING CURRENT SOURCE TO SAID LOAD TO SUPPLY FORWARD AND REVERSE CURRENTS THERETO IN RESPONSE TO FORWARD THE REVERSE INPUT SIGNALS RESPECTIVELY APPLIED TO SAID CURRENT CONTROL MEANS, MEANS FOR GENERATING A DIRECT CURRENT COMMAND SIGNAL HAVING A MAGNITUDE AND POLARITY INDICATIVE OF THE DESIRED PORTION OF EACH HALF CYCLE OF SAID ALTERNATING CURRENT DURING WHICH SAID CURRENT CONTROL MEANS SUPPLIES CURRENT TO SAID LOAD AND THE POLARITY OF THE CURRENT SUPLIED, PHASE SHIFT MEANS COUPLED TO SAID SOURCE OF ALTERNATING CURRENT TO SHIFT THE PHASE THEREOF, MEANS FOR COMBINING ASAID DIRECT CURRENT COMMAND SIGNAL WITH THE PHASE SHIFTED ALTERNATING CURRENT SIGNAL TO FORM A COMPOSITE COMMAND SIGNAL, DIRECT CURRENT BIAS MEANS BIASING SAID COMPOSITE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |